code: def setUpClass(cls):
      super().setUpClass()
      for k, n in ((key, FILE_PATH), (key_1, FILE_PATH_1)):
          config = testing_data_config("images", f"{k}")
          download_url_or_skip_test(filepath=n, **config)
  
file_path: MONAI/tests/test_meta_affine.py
imports: from __future__ import annotations
  import os
  import unittest
  from copy import deepcopy
  import numpy
  from parameterized import parameterized
  from monai.data.image_writer import ITKWriter
  from monai.transforms import Compose, EnsureChannelFirst, EnsureChannelFirstd, LoadImage, LoadImaged, MapTransform, Orientation, Orientationd, Randomizable, Spacing, Spacingd, Transform
  from monai.utils import convert_data_type, optional_import
  from tests.utils import assert_allclose, download_url_or_skip_test, testing_data_config
label_desc: Use image node_id 1 for calling the TestAffineConsistencyITK obj's underlying member method code with example usage: obj.setUpClass(cls) without return types